JP2521610Y2 - Control panel device for agricultural tractor - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial application] The present invention relates to a control panel device for an agricultural tractor.

[Problems to be Solved by Prior Art and Invention] In general, some agricultural tractors have a lever guide panel of a lever such as a power shifting lever for shifting the power take-off shaft, an elevating control lever and a setting outside the driver's seat. There is one in which a side panel provided with equipment and a control box in which electric parts for carrying out posture control and work control are installed are provided.

Conventionally, however, these items have no relation to each other and are individually attached. Therefore, there is a problem in that the attaching work is troublesome and complicated, and not only the workability but also the maintainability is poor.

[Means for Solving the Problems] In view of the above-mentioned circumstances, the present invention was devised with the object of providing a control panel device for an agricultural tractor that can eliminate these drawbacks. Is provided with a lever guide for the driver seat, and an opening is formed in the lever guide panel arranged on the side of the driver's seat, and a side panel provided with operating devices such as a lifting control lever and setting devices different from the operating lever is described above. While the lever is attached to the lever guide panel so as to cover the opening, a control box in which electrical parts for electrically controlling the above-mentioned operating devices are installed is provided on the bottom surface of the side panel. Install so that the wiring between the parts can go through the opening, and attach these lever guide panel, side panel and control box to the control panel assembly. It is characterized by being integrated into one.

With this configuration, the present invention can be incorporated into the machine body as a control panel assembly in which the lever guide panel, the side panel, and the control box are integrated.

[Embodiment] Next, an embodiment of the present invention will be described with reference to the drawings.
In the drawings, 1 is a traveling vehicle of an agricultural tractor,
The side panel 6 according to the present invention is attached to the fan guide 3 arranged on one side (right side in the embodiment) of the driver's seat 2 of the traveling machine body 1 together with the lever guide panel 5 as the control panel assembly 4. Has been. That is, the fender 3 is curved downward from the horizontal upper surface portion 3a in an arc shape and vertically downward to cover the rear wheel, but the curved portion of the bending portion is a groove on the driver's seat side. It is a step, and the panel mounting portion 3b is formed here.

On the other hand, a substantially H-shaped guide hole 5a for the operation lever 7 for power take-out and shift is formed in the front part of the lever guide panel 5 which constitutes the control panel assembly 4, and its rear extension part is formed. An opening 5b is formed in the side wall, and the side panel 6 is attached to the lever guide panel 5 so as to cover the opening 5b. On the upper surface of the side panel 6, a lateral rib 6a is formed so as to project in the left-right direction at a substantially central portion in the front-rear direction, and is partitioned in the front-rear direction. The rear half of the horizontal rib 6a is lowered in a stepped manner and is formed in a setting device mounting portion 6b for mounting various switching switches and setting devices such as setting devices. That is, in the first half of the setting device mounting portion 6b, the plowing depth setting device 7a for setting the plowing depth is on the left side, and the automatic control state is set to OFF (off), automatic tilt, automatic plowing depth, plowing depth and Automatic control switching switches 8 for switching to the automatic tilting state are arranged on the right side, respectively. At the center of the setting device mounting portion 6b in the front-rear direction, a mode changeover switch 9 for changing the control mode to a rotary working machine mode, a halo working machine mode, another working machine mode, and a check mode is provided on the left side. An inclination setting device 10 for setting the left-right inclination state of the machine is arranged in the central portion, and a raising regulation setting device 11 for regulating the work machine rising position is arranged on the right side.

On the other hand, in the latter half of the setting device mounting portion 6b, the switches 12 and 13 for switching the plowing depth sensitivity and the inclination sensitivity, the depth switching switch 14 for manual plowing depth, and the vertical switching switch 15 for lifting arm manual are arranged from the left side respectively. It is set up. Then, a cover for covering these setting devices is attached to the setting device mounting portion 6b, but in this one, the central devices and the latter half portion are provided with the centrally arranged setting devices with low adjustment frequency, and The first cover 16 covers these setting devices. The first cover 16 has a substantially U-shape, and is attached by detachably fitting and locking the locking claws 16a formed on both front and rear legs thereof into the locking claw holes 6c formed on the side panel 6. It has become. On the other hand, 17 is a second cover, and the second cover 17 is the first cover.
Along with 16, a setter that is concentrated in the front half and is frequently used for adjustment is covered. One outer side (left side) edge is pivotally attached to the side panel 6 by the support shaft 17a so that the side panel 6 can swing freely. , The locking claw 17b formed on the inner side edge of the side panel 6
It can be opened and closed by being detachably fitted and locked in the locking claw hole 6d formed in. Incidentally, in the present embodiment, the first cover 16 and the second cover 17 are made of a resin material which is almost invisible, but they are distinguished by changing the coloring.

On the other hand, in the front half of the side panel 6 with respect to the horizontal rib 6a, front and rear ribs 6e protruding in the front-rear direction such that the outer side (left side) of the horizontal rib 6a extends forward are formed substantially up to the front edge of the panel. However, an inclined surface 6f is formed inside (on the right side) of the front and rear ribs 6e and gradually lowers from the front edge of the horizontal rib 6a toward the front side.
A lever guide 6h in the shape of an arc mountain is formed in front of the front end of the water through the clear surface 6g.
An elevating control lever (positioning lever) 18 is penetratingly provided in the. The base end of the lift control lever 18 is supported by a detector 19 that detects the lever angle.
19 is integrally attached to the bottom surface of the side panel 6 via a bolt 19a.

Further, 20 is a lift control switch, and when the switch operation is performed in a state in which the automatic working depth control is performed, the lifting control switch 20 gives priority to the automatic working depth control to raise and lower the working machine (e.g. The lift control switch 20 is set so that it can be raised for a line, lowered for resuming work, raised or lowered to a desired height from the necessity of work, and lowered. Located on the inner side in the left-right direction with respect to the lifting control lever 18, it is attached to the inclined surface 6f. In other words, the lifting control switch 20 uses a bidirectional automatic return switch that automatically returns to the neutral (OFF) position in the embodiment, and is configured to allow a forward and backward tilting switch operation. When the switch is operated downward, a command to lower the working machine is output, and when the switch is operated rearward and upward, a command to raise the working machine is output.However, the lift control switch 20 is operated at the neutral position. The upper end of the operation knob 20a is the front and rear ribs 6e.
It is set to be approximately equal to or slightly lower than the upper edge position of the front side, and the outer side is surrounded by the front and rear ribs 6e, the rear side is surrounded by the horizontal rib 6a, and the front side is surrounded by the lever guide 6h. It is arranged not to project.

Reference numeral 21 denotes a board for incorporating a control electric (electronic) component configured by using a microcomputer.
Is installed in a control box 22 integrally attached to the bottom surface of the side panel 6. That is, the control box
22 is the setting device mounting portion 6b and the lifting control switch.
An upper surface of a portion corresponding to 20 is opened, and a lower edge portion of a bottom cylindrical portion 6i, which is provided in a cylindrical shape on the bottom surface of the side panel 6, is fitted to the outside so as to be fitted with setting devices and Lift control switch 20
The lead wire 25 from the front bracket 22a of the brackets 22a, 22d projecting from the front and rear side plates of the control box 22 to the side panel. 6 is integrally fixed to a mounting seat 6j hung from the bottom surface of 6 by bolts 26, and rear bracket 22b is bolted to the rear end edge of side panel 6 while sandwiching lever guide panel 5 between them. It is attached as an assass by being fixed integrally, but the control box
A bottom lid 23 is integrally attached to the lower surface of the fully open bottom 22 with screws. The base plate 21 is integrally mounted on the upper surface of the bottom plate 23, and the base plate 24 having the connector 24a mounted between the locking parts 23a and 22b formed on the bottom plate 23 and the control box 22 is fixed. It has become. The front plate of the control box 22 is formed with a cutout groove 22c for drawing out the lead wire 25.

In the embodiment of the present invention constructed as described above, the rotation speed of the power take-out shaft is selected by operating the lever for power take-out shift 7, the control mode is set to the rotary working machine mode, and the automatic control switching switch is used. 8 is set to the automatic working depth (or automatic working depth or tilt) position, and the raising / lowering control lever 18 is set to the automatic position (lowermost position) to perform the work in the automatic working depth control state. However, in such a plowing depth automatic control state, when the machine is traveling, if the lifting control switch 20 is operated to the raising side, the working machine can be raised without operating the lifting control lever 18 to the raising position one by one. become.

These operations can be performed by operating the operation tools arranged on the outer side of the driver's seat 2. However, the lever guide panel 5, the side panel 6, and the control box 22 of the power take-out and shifting lever 7 are operated. Is the lever guide panel 5
The side panel 6 on the upper side and the control box 22 on the lower side are previously assembled as an integrated control panel assembly 4, and the control panel thus assembled is assembled. It suffices if the assembly 4 is installed on the outside of the driver's seat 2. Therefore, the assembly work does not become troublesome and complicated unlike the conventional assembly of these members into the traveling machine body 1. It will be easy and maintainability will be improved.

In addition, the side panel 6 has a lever guide panel opening.
The control box 22 is attached to the lever guide 5 so as to cover 5b, and the control box 22 is attached to the bottom surface of the side panel 6 so that the wiring 25 for connecting between the operation device and the electric parts can be passed through the opening 5b. Wiring 25 because
In addition to simplifying the wiring, the number of wires drawn from the control box 22 can be reduced, and the waterproof and mud-proof properties are excellent.

[Effects and Effects] In short, since the present invention is configured as described above, the side panel and the control box are integrated with the lever guide panel disposed on the side of the driver's seat, and the operation is incorporated into the side panel. It is only necessary to install it in advance as a control part assembly that also has wiring between the equipment and the control box and the electric parts inside, and install this control panel assembly on the side of the driver's seat. The work is simplified.

In addition, the wiring between the electric components inside the control box and the operating devices incorporated in the side panel can be directly performed through the opening formed in the lever guide panel when the control unit assembly is incorporated. In addition, the wiring itself is short and simplified, and the wiring work is simple and easy, and the maintainability is also improved.

[Brief description of drawings]

1 is a plan view of an agricultural tractor, FIG. 2 is a plan view of a control panel assembly, and FIG.
3 is a sectional side view of the control panel assembly, FIG. 4 is a perspective view of the control panel assembly, FIG. 5 is an inner side view of the fan, FIG. 6 is a plan view of the fan, and FIG. Front view, FIG. 8 is a plan view of the lever guide, FIG. 9 is a side view of the lever guide, FIG. 10 is a plan view of the side panel, FIG. 11 is an inside side view of the side panel, and FIG. 12 is a side view. Front view of the panel, Fig. 13 is an outside view of the side panel,
FIG. 14 is a sectional view of the lever guide portion of the side panel, FIG. 15 is a sectional view of the second cover portion, FIGS. 16 and 17 are front views of the first cover, side views, and FIG. 18 is a control box. Top view, No.
Fig. 19 is a side view of the control box with a part cut away, Fig. 20 is a front view of the control box, Fig. 21 is a rear view of the control box, and
22 is a sectional view of the control box, FIG. 23 is a plan view of the bottom cover,
FIG. 24 is a side view of the bottom lid, and FIG. 25 is a front view of the bottom lid. In the figure, 1 is a traveling body, 3 is a fender, 4 is a control panel assembly, 5 is a lever guide panel, 5b is an opening, 6 is a side panel, 7 is an operating lever, 18 is a lifting control lever, and 20 is a lift control lever.
Is a lift control switch, and 22 is a control box.

Claims (1)

(57) [Scope of utility model registration request] 1. An opening is provided in a lever guide panel provided on a side of a driver's seat with a lever guide for an operating lever,
A side panel provided with operating devices such as an elevating control lever and setting devices different from the operating lever is attached to the lever guide panel so as to cover the opening, while the side panel is attached to the bottom surface of the operating device. A control box that is electrically connected and contains electrical parts for controlling
A control for an agricultural tractor, characterized in that wiring between operation devices and electric parts is installed so that it can pass through the opening, and these lever guide panel, side panel and control box are integrated as a control panel assembly. Panel device.